.wrap {
      max-width: 880px;
      margin: 0 auto;
      padding: 56px 20px;
    }
    .back {
      color: #6b7280;
      text-decoration: none;
      font-size: 14px;
    }
    h1 {
      font-size: 32px;
      margin: 20px 0 12px;
    }
    .muted {
      color: #6b7280;
      line-height: 1.8;
    }
    .card {
      margin-top: 24px;
      padding: 22px;
      border-radius: 18px;
      background: #fff;
      box-shadow: 0 8px 24px rgba(0,0,0,.08);
    }
    .contact-card {
      margin-top: 18px;
      padding: 18px;
      border: 1px solid #e5e7eb;
      border-radius: 16px;
      background: #fafafa;
    }
    .contact-card h2 {
      margin: 0 0 10px;
      font-size: 20px;
    }
    .contact-list {
      margin-top: 12px;
      line-height: 1.9;
      color: #374151;
    }
    .contact-list strong {
      color: #111827;
    }
    .qr-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-top: 22px;
    }
    @media (max-width: 720px) {
      .qr-grid {
        grid-template-columns: 1fr;
      }
    }
    .qr-card {
      padding: 16px;
      border: 1px solid #e5e7eb;
      border-radius: 16px;
      text-align: center;
      background: #fafafa;
    }
    .qr-card h2 {
      margin: 0 0 12px;
      font-size: 20px;
    }
    .qr-card img {
      display: block;
      width: 100%;
      max-width: 320px;
      height: auto;
      margin: 0 auto;
      border-radius: 12px;
      background: #fff;
      object-fit: contain;
    }
    footer {
      margin-top: 40px;
      color: #9ca3af;
      font-size: 13px;
      line-height: 1.8;
      text-align: center;
    }
    footer a {
      color: inherit;
      text-decoration: none;
    }